Poor supervision, bad job prospects or lack of money cause them to run out of steam.

缺少职业指导，前途渺茫，经济拮据成了他们最终放弃的原因。

youdao

The associated skyrocketing globalising process started to run out of steam in early 2000, just when the social mood went into decline for nearly three years.

同样与之相关且呼声震天的全球化进程却在2000年早期显现出停滞不前的态势，恰好此时也是社会情绪转入低谷达近三年的开端。

youdao

If you are working towards someone else's dream, desire or idea of what is right you likely won't feel very enthused to get it done and will run out of steam very quickly.

如果你在朝别人的梦想、愿望或正确的观念工作，你可能不会觉得很有热情实现它，并会很快的失去动力。

youdao

Each time one begins, it seems to run out of steam before doing any real damage.

FORBES: Runaway Government Spending Keeps Gold Bull Breathing

Analysts said that as the mining boom starts to run out of steam, the other sectors of the economy will have to take over and drive growth.

BBC: BHP Billiton Western Australia iron ore mine

Now, as the Social Democrats begin to run out of steam, Mr Klaus and his core of friends, though still behind in the opinion polls, think they have a chance of getting back at the next election, due at the latest next year.

ECONOMIST: Charlemagne